JPS581706A - エチレン―α―オレフイン共重合体の製造方法 - Google Patents
エチレン―α―オレフイン共重合体の製造方法Info
- Publication number
- JPS581706A JPS581706A JP9952281A JP9952281A JPS581706A JP S581706 A JPS581706 A JP S581706A JP 9952281 A JP9952281 A JP 9952281A JP 9952281 A JP9952281 A JP 9952281A JP S581706 A JPS581706 A JP S581706A
- Authority
- JP
- Japan
- Prior art keywords
- polymerization
- catalyst
- compound
- hydrocarbon
- ethylene
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 150000001875 compounds Chemical class 0.000 claims abstract description 46
- 239000003054 catalyst Substances 0.000 claims abstract description 28
- 239000007787 solid Substances 0.000 claims abstract description 25
- 239000011949 solid catalyst Substances 0.000 claims abstract description 20
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 15
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 7
- 125000003118 aryl group Chemical group 0.000 claims abstract description 7
- 125000000753 cycloalkyl group Chemical group 0.000 claims abstract description 6
- 239000010936 titanium Substances 0.000 claims description 16
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 14
- 239000004215 Carbon black (E152) Substances 0.000 claims description 10
- 229930195733 hydrocarbon Natural products 0.000 claims description 10
- 150000002430 hydrocarbons Chemical class 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- 239000011541 reaction mixture Substances 0.000 claims description 4
- 150000001298 alcohols Chemical class 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 125000005843 halogen group Chemical group 0.000 claims description 2
- 125000003262 carboxylic acid ester group Chemical class [H]C([H])([*:2])OC(=O)C([H])([H])[*:1] 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 abstract description 24
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 abstract description 15
- 229910052736 halogen Inorganic materials 0.000 abstract description 8
- 229910052749 magnesium Inorganic materials 0.000 abstract description 8
- 238000009826 distribution Methods 0.000 abstract description 7
- 150000002367 halogens Chemical class 0.000 abstract description 7
- VOITXYVAKOUIBA-UHFFFAOYSA-N triethylaluminium Chemical compound CC[Al](CC)CC VOITXYVAKOUIBA-UHFFFAOYSA-N 0.000 abstract description 5
- 239000007795 chemical reaction product Substances 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract 1
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 abstract 1
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 55
- 238000006116 polymerization reaction Methods 0.000 description 53
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 39
- 239000005977 Ethylene Substances 0.000 description 29
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 28
- -1 polyethylene Polymers 0.000 description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 19
- 239000002244 precipitate Substances 0.000 description 19
- 239000002002 slurry Substances 0.000 description 19
- 239000011777 magnesium Substances 0.000 description 18
- 229920000642 polymer Polymers 0.000 description 16
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 15
- 239000001257 hydrogen Substances 0.000 description 15
- 229910052739 hydrogen Inorganic materials 0.000 description 15
- 238000003756 stirring Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 13
- 239000000843 powder Substances 0.000 description 13
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 12
- 239000000203 mixture Substances 0.000 description 11
- 239000004711 α-olefin Substances 0.000 description 10
- 238000004458 analytical method Methods 0.000 description 9
- 230000037048 polymerization activity Effects 0.000 description 9
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 8
- 229920000573 polyethylene Polymers 0.000 description 8
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 7
- 229910001873 dinitrogen Inorganic materials 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- IJDNQMDRQITEOD-UHFFFAOYSA-N sec-butylidene Natural products CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 239000001273 butane Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 5
- 229920001577 copolymer Polymers 0.000 description 5
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000012685 gas phase polymerization Methods 0.000 description 4
- 150000003609 titanium compounds Chemical class 0.000 description 4
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- YNLAOSYQHBDIKW-UHFFFAOYSA-M diethylaluminium chloride Chemical compound CC[Al](Cl)CC YNLAOSYQHBDIKW-UHFFFAOYSA-M 0.000 description 3
- 239000012456 homogeneous solution Substances 0.000 description 3
- 239000012442 inert solvent Substances 0.000 description 3
- 150000002681 magnesium compounds Chemical class 0.000 description 3
- 150000002899 organoaluminium compounds Chemical class 0.000 description 3
- 235000012736 patent blue V Nutrition 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- GBECUEIQVRDUKB-UHFFFAOYSA-M thallium monochloride Chemical compound [Tl]Cl GBECUEIQVRDUKB-UHFFFAOYSA-M 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- 101150072531 10 gene Proteins 0.000 description 2
- CMAOLVNGLTWICC-UHFFFAOYSA-N 2-fluoro-5-methylbenzonitrile Chemical compound CC1=CC=C(F)C(C#N)=C1 CMAOLVNGLTWICC-UHFFFAOYSA-N 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
- 101100496087 Mus musculus Clec12a gene Proteins 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 150000001733 carboxylic acid esters Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- MTZQAGJQAFMTAQ-UHFFFAOYSA-N ethyl benzoate Chemical compound CCOC(=O)C1=CC=CC=C1 MTZQAGJQAFMTAQ-UHFFFAOYSA-N 0.000 description 2
- UAIZDWNSWGTKFZ-UHFFFAOYSA-L ethylaluminum(2+);dichloride Chemical compound CC[Al](Cl)Cl UAIZDWNSWGTKFZ-UHFFFAOYSA-L 0.000 description 2
- 229920001038 ethylene copolymer Polymers 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- YONPGGFAJWQGJC-UHFFFAOYSA-K titanium(iii) chloride Chemical compound Cl[Ti](Cl)Cl YONPGGFAJWQGJC-UHFFFAOYSA-K 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 1
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 1
- JCLFHZLOKITRCE-UHFFFAOYSA-N 4-pentoxyphenol Chemical compound CCCCCOC1=CC=C(O)C=C1 JCLFHZLOKITRCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- BJZQPUBYOZDEHI-UHFFFAOYSA-M Cl(=O)[O-].C(C)[Al+]CC Chemical compound Cl(=O)[O-].C(C)[Al+]CC BJZQPUBYOZDEHI-UHFFFAOYSA-M 0.000 description 1
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- 235000009300 Ehretia acuminata Nutrition 0.000 description 1
- 244000046038 Ehretia acuminata Species 0.000 description 1
- 241000283986 Lepus Species 0.000 description 1
- 229910003074 TiCl4 Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- DEFMLLQRTVNBOF-UHFFFAOYSA-K butan-1-olate;trichlorotitanium(1+) Chemical compound [Cl-].[Cl-].[Cl-].CCCCO[Ti+3] DEFMLLQRTVNBOF-UHFFFAOYSA-K 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003635 deoxygenating effect Effects 0.000 description 1
- CQYBWJYIKCZXCN-UHFFFAOYSA-N diethylaluminum Chemical compound CC[Al]CC CQYBWJYIKCZXCN-UHFFFAOYSA-N 0.000 description 1
- RMTCVMQBBYEAPC-UHFFFAOYSA-K ethanolate;titanium(4+);trichloride Chemical compound [Cl-].[Cl-].[Cl-].CCO[Ti+3] RMTCVMQBBYEAPC-UHFFFAOYSA-K 0.000 description 1
- MGDOJPNDRJNJBK-UHFFFAOYSA-N ethylaluminum Chemical compound [Al].C[CH2] MGDOJPNDRJNJBK-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- BLQJIBCZHWBKSL-UHFFFAOYSA-L magnesium iodide Chemical compound [Mg+2].[I-].[I-] BLQJIBCZHWBKSL-UHFFFAOYSA-L 0.000 description 1
- 229910001641 magnesium iodide Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 101150095744 tin-9.1 gene Proteins 0.000 description 1
- UBZYKBZMAMTNKW-UHFFFAOYSA-J titanium tetrabromide Chemical compound Br[Ti](Br)(Br)Br UBZYKBZMAMTNKW-UHFFFAOYSA-J 0.000 description 1
- NLLZTRMHNHVXJJ-UHFFFAOYSA-J titanium tetraiodide Chemical compound I[Ti](I)(I)I NLLZTRMHNHVXJJ-UHFFFAOYSA-J 0.000 description 1
- MTAYDNKNMILFOK-UHFFFAOYSA-K titanium(3+);tribromide Chemical compound Br[Ti](Br)Br MTAYDNKNMILFOK-UHFFFAOYSA-K 0.000 description 1
- NLPMQGKZYAYAFE-UHFFFAOYSA-K titanium(iii) fluoride Chemical compound F[Ti](F)F NLPMQGKZYAYAFE-UHFFFAOYSA-K 0.000 description 1
- MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9952281A JPS581706A (ja) | 1981-06-26 | 1981-06-26 | エチレン―α―オレフイン共重合体の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9952281A JPS581706A (ja) | 1981-06-26 | 1981-06-26 | エチレン―α―オレフイン共重合体の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS581706A true JPS581706A (ja) | 1983-01-07 |
| JPH0132847B2 JPH0132847B2 (enrdf_load_stackoverflow) | 1989-07-10 |
Family
ID=14249561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9952281A Granted JPS581706A (ja) | 1981-06-26 | 1981-06-26 | エチレン―α―オレフイン共重合体の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS581706A (enrdf_load_stackoverflow) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5232090A (en) * | 1975-09-05 | 1977-03-10 | Nippon Oil Co Ltd | Process for preparing polyethylene |
-
1981
- 1981-06-26 JP JP9952281A patent/JPS581706A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5232090A (en) * | 1975-09-05 | 1977-03-10 | Nippon Oil Co Ltd | Process for preparing polyethylene |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0132847B2 (enrdf_load_stackoverflow) | 1989-07-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0007647B1 (en) | Ethylene polymers and process for preparing same | |
| US3718636A (en) | Catalysts and process for the polymerization of olefins | |
| US4304890A (en) | Method for producing propylene copolymers using a catalyst activated prior to copolymerization | |
| JPS61296007A (ja) | オレフイン重合体の製造法 | |
| DE3021469A1 (de) | Aethylenpolymere, verfahren zu ihrer herstellung und ihre verwendung | |
| NO173550B (no) | Fremgangsmaate for polymerisering av etylen i gassfase forfremstilling av lineaert polyetylen med snever molekylvektsfordeling | |
| JPS61218606A (ja) | α−オレフイン重合体の製造法 | |
| JPH01247406A (ja) | 分子量分布の狭いアルファオレフィンポリマー重合用触媒組成物 | |
| US4200717A (en) | Preparation of propylene polymer-containing solid titanium trichloride and propylene polymers using same | |
| US4543389A (en) | Copolymerization catalyst and process for polymerizing impact resistant ethylene-propylene polymers | |
| US4525554A (en) | Process for polymerizing olefin | |
| JPH05502053A (ja) | 球形粒子を有するポリオレフィンの製法 | |
| US4007133A (en) | Process for the manufacture of a catalyst | |
| JPS581706A (ja) | エチレン―α―オレフイン共重合体の製造方法 | |
| JPS647087B2 (enrdf_load_stackoverflow) | ||
| DE3336761A1 (de) | Verfahren zur herstellung eines aethylen-copolymeren | |
| JPH05230136A (ja) | オレフィン重合体の製造方法 | |
| JPH0446286B2 (enrdf_load_stackoverflow) | ||
| US5484754A (en) | Process for treating a catalytic component, resultant component, and polymerization of ethylene using such component | |
| JPS6023687B2 (ja) | オレフインと極性モノマーとの共重合法 | |
| JPS5846205B2 (ja) | オレフインの重合方法 | |
| JPS60152511A (ja) | α−オレフインの重合法 | |
| JPS63289004A (ja) | α−オレフィン重合体の製造法 | |
| CN107880167B (zh) | 用于烯烃聚合的催化剂组分及其制备与应用 | |
| JPH0244846B2 (enrdf_load_stackoverflow) |